{"entity":{"iso2":"GW","iso3":"GNB","name":"Guinea-Bissau","slug":"guinea-bissau"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-preprimary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.PRE.ENRL.TC.ZS","title":"Pupil-teacher ratio, preprimary","unit":null},"observations":[{"date":"1971-01-01","value":18.0833},{"date":"1980-01-01","value":11.2941},{"date":"1981-01-01","value":9.97826},{"date":"1982-01-01","value":10.413},{"date":"1983-01-01","value":23.5},{"date":"1987-01-01","value":20.4262},{"date":"2000-01-01","value":21.4381},{"date":"2010-01-01","value":28.9644}],"summary":{"latest_period":"2010-01-01","latest_value":28.9644,"max":28.9644,"mean":18.0122,"min":9.97826,"of":182,"rank":23,"trend":"rising"}}